06-10-2016 дата публикации
Номер: US20160287507A1
Принадлежит:
A double conjugate molecule made of a retinoid, an organic acid, particularly an α-hydroxy acid, and an alcohol or acyl group, is provided which is useful in treating skin conditions, particularly aging. The retinoid, organic acid, and alcohol/acyl group are preferably linked via ester bonds. 2: The molecule of claim 1 , wherein{'sub': 2', 'a', '2', 'a, 'X is independently (CO)O, O(OC), O—(CH), (CH)—O, (CO)N, or N(CO),'}a is 0 or 1,k is 1 or 2,m is 0, 1, 2, 3, 4, 5, 6, or 7,n is 0, 1, 2, or 3,{'sub': 1', '2', '3', '4', '5', '1', '2', '4', '5, 'R, R, R, R, R, and Rare independently H, COOH, CHO, alkyl comprising 1 to 15 carbon atoms optionally substituted by one or more OH or interrupted by one or more O, (alk)aryl comprising 1 to 15 carbon atoms, optionally substituted by one or more OH or interrupted by one or more O, or one or more pairs of Rand Ror R, and Rforms a carbonyl,'}{'sub': 6', '7', '8', '9', '9', '9', '9', '9', '9', '9', '9', '9', '9, 'R, R, and Rare independently H, alkyl comprising 1 to 15 carbon atoms optionally substituted by OH, CHO, COOR, CROR, or CONRR, or (alk)aryl comprising 1 to 15 carbon atoms optionally substituted by OH, CHO, COOR, CROR, or CONRR, and'}{'sub': '9', 'Ris independently H or alkyl comprising 1 to 5 carbon atoms.'}3: The molecule of claim 1 , wherein{'sub': 2', 'a', '2', 'a, 'X is independently (CO)O, O(OC), O—(OH), or (CH)—O,'}a is 0 or 1,k is 1,m is 0, 1, 2, or 3,n is 0 or 1{'sub': 1', '2', '3', '4', '5', '1', '2', '4', '5, 'R, R, R, R, R, and Rare independently H, COOH, CHO, alkyl comprising 1 to 10 carbon atoms optionally substituted by one or more OH or interrupted by one or more O, (alk)aryl comprising 1 to 7 carbon atoms, optionally substituted by one or more OH or interrupted by one or more O, or one or more pairs of Rand Ror R, and Rforms a carbonyl,'}{'sub': 6', '7', '8', '9', '9', '9', '9', '9', '9', '9', '9', '9', '9, 'R, R, and Rare independently H, alkyl of 1 to 10 carbon atoms optionally substituted by OH, CHO, ...
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